3071156
Description
Quiz by michael.aristidou, updated more than 1 year ago
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Question 1
Question
What is the formula for momentum?
Answer
-
Mass x acceleration
-
Mass x velocity
-
Force x acceleration
-
Force x mass
Question 2
Question
Mass is a vector quantity.
Answer
- True
- False
Question 3
Question
What is momentum measured in?
Answer
-
kg m s
-
Newtons
-
kg/s
-
kg m/s
Question 4
Question
Two marbles, of the same mass, moving in opposite directions, collide head on. The red marble is moving to the right at 6 m/s, the green marble is moving at 2 m/s. The red marble is brought to rest by the collision. What is the velocity of the green marble after the collision?
Answer
-
4 m/s to the right
-
3 m/s to the right
-
4 m/s to the left
-
8 m/s to the right
-
8 m/s to the left
Question 5
Question
What is the formula for a moment of a force?
Answer
-
Force x acceleration
-
Force x perpendicular distance from fulcrum
-
Momentum x perpendicular distance from fulcrum
-
Force x momentum
Question 6
Question
What is the nature of the gravitational force between two objects?
Answer
-
Attractive
-
Repulsive
Question 7
Question
A sled of mass 60 kg is being pulled along the snow with a pulling force of 300 N. The resistance to its motion is 60 N. What is its acceleration?
Answer
-
5 m/s
-
4 m/s
-
- 4 m/s
-
- 5 m/s
Question 8
Question
What is weight measured in?
Answer
-
Grams
-
Kilograms
-
Newtons
-
Kilogram/metre
Question 9
Question
Which of the following are vector quantities
Answer
-
Weight
-
Force
-
Mass
-
Momentum
-
Distance
Question 10
Question
Calculate the force required to give a ball of mass 550 grams an acceleration of 300 metres per second squared.
Answer
-
165 N
-
1, 650 N
-
84 N
-
840 N
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